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Second grade secondary school teachers wanted for climate think tank
Are you working on climate change in your lessons? Do you sometimes experience resistance among your students, for example in the form of climate fear or climate fatigue? Are your students already climate-conscious young people who realize how …
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Qualitative determination of sulphites in wine
Almost every label on a bottle of wine states that the wine contains 'sulfites'. Sulphites are therefore a frequently used additive during the vinification process because many winegrowers are convinced that they are indispensable to …
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The critical micelle concentration of sodium dodecyl sulfate
The determinations of the critical micelle concentrations (cmc) for ionic surfactants using specific conductivity measurements are excellent research projects for students and pupils to gain insight into some properties of substances in solution. …
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Giving an extra dimension to classic equilibrium tests
Chemical equilibrium is a difficult topic theoretically. By studying the complexation reactions in an aqueous solution of a copper salt with hydrogen chloride and with ammonia, it can be made clear that there is a single reaction system.
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Experiment with copper nanoparticles to show color changes
In this contribution, we discuss a student project where copper nanoparticles were prepared by reducing copper (II) sulfate using sodium borohydride. The use of iodide ions provides the necessary stabilization of the nanoparticles formed. The …
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The discovery of argon and the importance of accurate data analysis
John William Strutt, third baron of Rayleigh (1842-1919), is one of the most impressive figures in the history of the natural sciences. He is best known for his explanation of the blue color in the sky caused by Rayleigh scattering. It is less …
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Synthesis of gold colloids from honey
Gold colloid synthesis is a colorful nanochemical experiment. In this
contribution we discuss a student project where gold colloids are prepared from
a gold (III) salt using honey. The experiment is simple in execution.Translated by
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Determine the critical micelle concentration
Surfactants tend to form micelles in solution. The critical
micelle concentration is an important parameter for describing stability
of micelles. In this article we describe a relatively simple experiment through which
conductivity measurements the …Translated by
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Media concentration in Flanders 2021: Text for education
Following the publication of the report Media Concentration in Flanders 2021, an accessible text for education was once again made. This text considers the concept of media concentration and answers the following questions, among other things: …
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Building blocks for effective language programmes: Practical guide for language support in nursery, primary and secondary education
The manual is a practical guideline for researching language integration processes. It provides a practical guide to language support.
This guide describes six building blocks that help you stimulate language development and support students …
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Phyphox: Experiments
A number of Phyphox experiments that students can perform with their smartphone.
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The Educational Effects of MOS: Study Report
How do you approach MOS or EDO at school to achieve the desired effects?
Thanks to this study report, you gain insight into what you can and cannot do better. An integrated approach, with broad support and a supportive school policy, is one of the …
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